Voice-controlled electric appliance, in particular fume exhausting hood

摘要

The system has an optical sensor (3) that signals a timer on detecting movement. The timer switches on microphone (12) of a voice operating unit (6) to pick up voice signals passed to a recognition unit (14) for comparison with voice signals in a memory. If the presence of stranger is detected the picked up voice signals are passed to evaluation unit (15) to generate signals to actuate the ventilator hood. An Independent claim is also included for a method for operating a household appliance.